Collocations for postage - noun

pay
I had to pay $4 postage.

cover (esp. BrE)
Add £3 to each order to cover postage.

include

meter (AmE)
stamp
costs, rates

for postage
It costs €60, plus €5 for postage.

in postage
Sending those books cost me a fortune in postage!

postage on
What's the postage on this package?

postage and handling (AmE), postage and packing (BrE)
All prices include postage and packing/handling.

postage paid (esp. AmE)
Send a check or money order for $7, postage paid, to this address.
a postage-paid envelope